6994171 has 2 divisors, whose sum is σ = 6994172. Its totient is φ = 6994170.

The previous prime is 6994159. The next prime is 6994177. The reversal of 6994171 is 1714996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6994171 - 2¹⁵ = 6961403 is a prime.

It is a Chen prime.

6994171 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6994171.

It is not a weakly prime, because it can be changed into another prime (6994177) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497085 + 3497086.

It is an arithmetic number, because the mean of its divisors is an integer number (3497086).

Almost surely, 2^6994171 is an apocalyptic number.

6994171 is a deficient number, since it is larger than the sum of its proper divisors (1).

6994171 is an equidigital number, since it uses as much as digits as its factorization.

6994171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 37.

The square root of 6994171 is about 2644.6495041877. The cubic root of 6994171 is about 191.2400060280.

The spelling of 6994171 in words is "six million, nine hundred ninety-four thousand, one hundred seventy-one".